noun Physiology.

the passage of blood cells, especially leukocytes, through the unruptured walls of the capillaries into the tissues.

Nearby words

  1. dianoia,
  2. dianthus,
  3. diapason,
  4. diapason normal pitch,
  5. diapause,
  6. diapente,
  7. diaper,
  8. diaper dermatitis,
  9. diaper rash,
  10. diaphaneity

Origin of diapedesis

1615–25; < New Latin < Greek diapḗdēsis a leaping through, equivalent to diapēdē- (verbid stem of diapēdân to leap through) + -sis -sis

Related formsdi·a·pe·det·ic [dahy-uh-pi-det-ik] /ˌdaɪ ə pɪˈdɛt ɪk/, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for diapedesis

British Dictionary definitions for diapedesis



the passage of blood cells through the unruptured wall of a blood vessel into the surrounding tissues
Derived Formsdiapedetic (ˌdaɪəpəˈdɛtɪk), adjective

Word Origin for diapedesis

C17: New Latin, from Greek: a leaping through, from diapēdan to spring through, from dia- + pēdan to leap

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for diapedesis




The movement or passage of blood cells, especially white blood cells, through intact capillary walls into surrounding body tissue.migration

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.